CN104598074A - Touch panel, touch display device and manufacture method of touch panel - Google Patents
Touch panel, touch display device and manufacture method of touch panel Download PDFInfo
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- CN104598074A CN104598074A CN201410856076.4A CN201410856076A CN104598074A CN 104598074 A CN104598074 A CN 104598074A CN 201410856076 A CN201410856076 A CN 201410856076A CN 104598074 A CN104598074 A CN 104598074A
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Abstract
The invention discloses a touch panel, a touch display device and a manufacture method of the touch panel. The touch panel comprises a first substrate, a first conductive layer, touch electrodes, a second substrate and a second conductive layer, wherein the touch electrodes in a display area comprise a first touch electrode and a second touch electrode; a wiring area of the touch panel comprises signal wires used for transmitting touch signals; the signal wires comprise at least one first signal wire and at least one second signal wire; the first signal wires are electrically connected to the first conductive layer and are also electrically connected to the first touch electrode; the second signal wires are electrically connected to the second conductive layer and are also electrically connected to the second touch electrode; projections of the first signal wires and the second signal wires on the same side of the touch panel in the vertical direction of the first substrate are at least partially overlapped; the total width of the signal wires in the wiring area around the touch panel is greatly reduced; a good narrow bezel effect is exerted.
Description
Technical field
The present invention relates to display technique field, particularly relate to the method for making of a kind of contact panel, touch control display apparatus and contact panel.
Background technology
Current touch-control shows the future development of development trend towards narrow frame of industry, and narrow frame design can make the size of the viewing area of display screen increase, and brings better visual sense of beauty to user.
For AMOLED (the Active Matrix Organic Light EmittingDiode of integrated touch controllable function, active matrix organic light-emitting diode) display screen, its border effect is determined by the frame portion (peripheral circuit and encapsulation region) in the frame portion (visible area VA and ink area) of stacked coated glass sheets Coverlens, the frame portion (periphery cabling district) of contact panel and OLED display panel.Wherein, enough spaces that has of the frame portion in the frame portion of stacked coated glass sheets and OLED display panel realize narrow frame design, and the frame portion of contact panel is mainly formed by signal wire arrangement, because the live width of signal wire and the restriction of distance between centers of tracks cause the narrow frame design of signal wire overall width to have limitation, therefore, the frame portion of contact panel has been difficult to good narrow border effect.
To sum up, the narrow frame design also existed in prior art because of the signal wire overall width in contact panel periphery cabling district has limitation, cause the frame portion of contact panel to have very little space to carry out narrow frame design, be difficult to the technical matters realizing good narrow border effect.
Summary of the invention
The embodiment of the present invention provides the method for making of a kind of contact panel, touch control display apparatus and contact panel, narrow frame design in order to solve the signal wire overall width because of contact panel periphery cabling district existed in prior art has limitation, is difficult to the technical matters realizing good narrow border effect.
The embodiment of the present invention provides a kind of contact panel, comprising:
First substrate, the first conductive layer, touch control electrode, second substrate and the second conductive layer, wherein, described first conductive layer and described touch control electrode are arranged on the side of described first substrate towards described second substrate, described second conductive layer is arranged on the side of described second substrate towards described first substrate, and described touch control electrode comprises the first touch control electrode and the second touch control electrode;
Described contact panel comprises viewing area and the cabling district around described viewing area, described touch control electrode is positioned at described viewing area, described cabling district has the signal wire of transmission touching signals, described signal wire comprises at least one the first signal wire and at least one secondary signal lines, described first signal wire is electrically connected with described first conductive layer, and described first signal wire is electrically connected with described first touch control electrode, described secondary signal line is electrically connected with described second conductive layer, and described secondary signal line is electrically connected with described second touch control electrode, described first signal wire being arranged on described contact panel same side and described secondary signal line in described first substrate vertical direction to be projected to small part overlapping.
The embodiment of the present invention also provides a kind of method for making of contact panel, and the method comprises:
There is provided first substrate, the surface of described first substrate is formed the first conductive layer and touch control electrode, described touch control electrode comprises the first touch control electrode and the second touch control electrode;
Second substrate is provided, the surface of described second substrate is formed the second conductive layer;
Described contact panel comprises viewing area and the cabling district around described viewing area, described touch control electrode is positioned at described cabling district, first conductive layer described in patterning, forms the first signal wire in described cabling district, and described first signal wire is electrically connected with described first touch control electrode;
Second conductive layer described in patterning, forms secondary signal line in described cabling district;
By described first substrate with described second substrate relative to becoming box, described secondary signal line is electrically connected with described second touch control electrode; And described first signal wire being arranged on described contact panel same side and described secondary signal line in described first substrate vertical direction to be projected to small part overlapping.
In above-described embodiment, arrange on the first conductive layer on the first substrate by the first signal wire that contact panel cabling district signal wire is comprised, secondary signal line is arranged on the second conductive layer on second substrate, the first signal wire on contact panel and secondary signal line are arranged at different substrate higher slice, to obtain the narrow frame design that contact panel frame portion is carried out in larger space, and the first signal wire being arranged on contact panel same side and secondary signal line in first substrate vertical direction to be projected to small part overlapping, substantially reduce the signal wire overall width in contact panel periphery cabling district, thus overcome the limitation that in prior art, signal wire overall width has, achieve good narrow border effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly introduced, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 a is the structural representation of a kind of contact panel of the prior art;
Fig. 1 b is the diagrammatic cross-section of each floor in cabling district of contact panel of the prior art;
The structural representation of a kind of contact panel that Fig. 2 a provides for the embodiment of the present invention;
Fig. 2 b is the structural representation of a kind of contact panel corresponding with Fig. 2 a;
The diagrammatic cross-section of each floor in cabling district of a kind of contact panel that Fig. 2 c provides for the embodiment of the present invention;
The diagrammatic cross-section of each floor in cabling district of a kind of contact panel that Fig. 2 d provides for the embodiment of the present invention;
The cabling schematic diagram of the first signal wire in side, periphery cabling district on the first substrate that Fig. 2 e provides for the embodiment of the present invention;
The cabling schematic diagram of secondary signal line in side, periphery cabling district on the second substrate that Fig. 2 f provides for the embodiment of the present invention;
The first signal wire being arranged on contact panel same side that Fig. 2 g provides for the embodiment of the present invention and the perspective view of secondary signal line in first substrate vertical direction;
The corresponding schematic diagram of the first substrate that Fig. 2 h provides for the embodiment of the present invention and the 3rd substrate;
The cabling schematic layout pattern of the another kind of contact panel that Fig. 3 a provides for the embodiment of the present invention;
Fig. 3 b is the structural representation of a kind of contact panel corresponding with Fig. 3 a;
The cabling schematic layout pattern of the another kind of contact panel that Fig. 4 a provides for the embodiment of the present invention;
Fig. 4 b is the structural representation of a kind of contact panel corresponding with Fig. 4 a;
The cabling schematic layout pattern of the another kind of contact panel that Fig. 5 a provides for the embodiment of the present invention;
Fig. 5 b is the structural representation of a kind of contact panel corresponding with Fig. 5 a;
The cabling schematic layout pattern of the another kind of contact panel that Fig. 6 a provides for the embodiment of the present invention;
Fig. 6 b is the structural representation of a kind of contact panel corresponding with Fig. 6 a;
The method for making process flow diagram of a kind of contact panel that Fig. 7 provides for the embodiment of the present invention.
Embodiment
In order to make the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail, and obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the design concept of the embodiment of the present invention, those of ordinary skill in the art also should be fallen within protection scope of the present invention not making other embodiments all obtained by modes such as equivalent replacements under creative work prerequisite.
In general, contact panel as shown in Figure 1a, comprises touch base plate, and the viewing area 102 on touch base plate and the cabling district 101 around viewing area.Viewing area 102 on touch base plate is provided with touch control electrode touch control electrode 105, and wherein touch control electrode 105 is transparency conductive electrode, as ITO electrode.As shown in Figure 1 b, cabling district on touch base plate comprises on touch base plate 201 and is provided with metal level 202 insulation course 203 (silicon nitride layer or silicon oxide layer), ITO layer 204, organic passivation layer (PV floor) 205, wherein, metal level 202 is provided with the signal wire for transmitting viewing area 102 touching signals, one end of signal wire is connected with touch control electrode 105 by via hole, and the other end of signal wire is connected with driving circuit.Signal wire overall width on the metal level in contact panel cabling district as seen in figure la and lb, by the live width of signal wire and the restriction of distance between centers of tracks, causes the frame portion of contact panel to have very little space to carry out narrow frame design, is difficult to realize good narrow border effect.
In order to solve the problem, the embodiment of the present invention designs from the new cabling of angle to the frame portion of contact panel, namely a part of signal wire (the first signal wire) on metal level is retained, another part signal wire (secondary signal line) on metal level is arranged on the covered substrate (the Cover lens of display screen) of covering touch base plate, the signal wire on contact panel is made to be arranged on different substrates, and the first signal wire being positioned at contact panel same side and secondary signal line in touch base plate vertical direction to be projected to small part overlapping, the signal wire overall width in contact panel periphery cabling district can be made so significantly to be reduced, even can be reduced to original half, thus overcome the limitation that in prior art, signal wire overall width has, the contact panel after improvement is made to have good narrow border effect.
According to foregoing invention design, the embodiment of the present invention provides a kind of contact panel and preparation method thereof, also provides a kind of touch control display apparatus comprising this contact panel, is described in detail below for specific embodiment.
As a kind of contact panel that Fig. 2 a provides for the embodiment of the present invention, Fig. 2 b is the structural representation of a kind of contact panel corresponding with Fig. 2 a; The sectional view of each floor in cabling district of the contact panel that Fig. 2 c provides for the embodiment of the present invention, comprise, first substrate 10 and second substrate 20, first substrate 10 is provided with the first conductive layer 27, second substrate 20 is provided with the second conductive layer 26, wherein, the first conductive layer 27 is arranged on the side of first substrate 10 towards second substrate 20, and the second conductive layer 26 is arranged on the side of second substrate 20 towards first substrate 10.
As shown in Fig. 2 a, 2b and Fig. 2 c, contact panel comprises: first substrate 10, be arranged on the first conductive layer 27 on first substrate 10 and touch control electrode 23, wherein, first conductive layer 27 and touch control electrode 23 are arranged between first substrate 10 and second substrate 20, and the first conductive layer 27 and touch control electrode 23 are positioned at the side of first substrate 10 towards second substrate 20; Second conductive layer 26 is arranged on second substrate 20, and the second conductive layer 26 is positioned at the side of second substrate 20 towards first substrate 10; In embodiments of the present invention, according to the position of touch control electrode 23, touch control electrode 23 is divided into the first touch control electrode 231 and the second touch control electrode 232, there is following relation in the quantity of the first touch control electrode 231 and the second touch control electrode 232: if touch control electrode 23 add up to even number, the then sum can dividing touch control electrode equally of the first touch control electrode 231 and the second touch control electrode 232, namely the first touch control electrode 231 accounts for the half of touch control electrode 23 sum, and the second touch control electrode 232 accounts for second half of touch control electrode 23; If touch control electrode 23 add up to odd number, then exist two kinds may, the first may be the quantity that the quantity of the first touch control electrode 231 is greater than the second touch control electrode 232, and the second may be the quantity that the quantity of the first touch control electrode 231 is less than the second touch control electrode 232.The quantity of the embodiment of the present invention to touch control electrode 23 does not limit, and does not also limit the quantity of the first touch control electrode 231 and the second touch control electrode 232 simultaneously.
Preferably, as shown in figures 2 a and 2b, contact panel comprises viewing area 22 and the periphery cabling district 21 around this viewing area 22, touch control electrode 23 is positioned at viewing area 22, and this cabling district 21 comprises the signal wire that many have transmission touching signals, in embodiments of the present invention, described signal wire is divided into the first signal wire 251 and secondary signal line 252 by the position residing for signal wire.
As shown in Figure 2 d, the sectional view of each floor in cabling district of the contact panel provided for the embodiment of the present invention, comprise, first substrate 10 and second substrate 20, first substrate 10 is provided with the first conductive layer 27, the first conductive layer 27 on first substrate 10 is disposed with insulation course 12 (silicon nitride layer or silicon oxide layer), transparent conductive film layer 13 and passivation layer 14 (PV layer); Second substrate 20 is provided with the second conductive layer 26; Wherein, the first conductive layer 27 is arranged on the side of first substrate 10 towards second substrate 20, and the second conductive layer 26 is arranged on the side of second substrate 20 towards first substrate 10.As shown in Fig. 2 a, 2d, transparent conductive film layer 13 is arranged with layer with the touch control electrode 23 of the viewing area 22 of contact panel, and the touch control electrode 23 of contact panel viewing area 22 is generally ITO conductive electrode.
Preferably, as shown in Fig. 2 a, 2b and Fig. 2 d, first signal wire 251 and the first conductive layer 27 are arranged with layer, and the first end of the first signal wire 251 is electrically connected with the first touch control electrode 231 by the via hole in insulation course 12, and the second end of the first signal wire 251 is electrically connected with driving circuit 24.Wherein, the first touch control electrode 231 shown in Fig. 2 a and 2b and the second touch control electrode 232 only represent a part for the touch control electrode in practical application, do not represent that the first touch control electrode 231 and the second touch control electrode 232 only have 4 respectively, in the embodiment of the present invention, further restriction is not done to the data of the first touch control electrode 231 and the second touch control electrode 232, same, position for the first touch control electrode 231 shown in Fig. 2 a and 2b and the second touch control electrode 232 is also not limited to the situation shown in figure, arbitrary design can be done according to the needs of product, further restriction is not done at this.
Preferably, as shown in figures 2 a and 2b, secondary signal line 252 and the second conductive layer 26 are arranged with layer, and the first end of secondary signal line 252 is electrically connected with the second touch control electrode 232 by the first conducting medium 31; Wherein, first conducting medium 31 is positioned at the cabling district 21 of contact panel, in embodiments of the present invention, first conducting medium 31 can make to realize conducting between the first end of secondary signal line 252 and the second touch control electrode 232, the material of the first conducting medium 31 is generally conducting resinl or is mixed with the optics UV glue of conductive gold spacer, in embodiments of the present invention, further restriction is not done to the material of the first conducting medium 31.
Preferably, as shown in Fig. 2 a, 2b and Fig. 2 c, the second end of secondary signal line 252 is electrically connected with driving circuit 24 by the second conducting medium 32, and wherein, the second conducting medium 32 is positioned at driving circuit 24 region.In embodiments of the present invention, second conducting medium 32 can realize conducting by between the second end of secondary signal line 252 and driving circuit 24, the material of the second conducting medium 32 is generally conducting resinl or is mixed with the optics UV glue of conductive gold spacer, in embodiments of the present invention, further restriction is not done to the material of the second conducting medium 32.
In embodiments of the present invention, first signal wire 251 and the first conductive layer 27 are arranged with layer, and the first end of the first signal wire 251 is electrically connected with the first touch control electrode 231 by the via hole in insulation course 12, and the second end of the first signal wire 251 is electrically connected with driving circuit 24.Secondary signal line 252 and the second conductive layer 26 are arranged with layer, and the first end of secondary signal line 252 is electrically connected with the second touch control electrode 232 by the first conducting medium 31; The driving circuit 24 that second end of secondary signal line 252 is arranged with layer by the second conducting medium 32 and the first conductive layer 27 is electrically connected.
Because cabling district 21 includes many signal line, in embodiments of the present invention, the quantity of the many signal line comprised for cabling district 21 does not do further restriction, so, the signal wire quantity of the secondary signal line 252 of the signal wire quantity of the first signal wire 251 that the first touch control electrode 231 is electrically connected and the electrical connection of the second touch control electrode 232, can comprise following several mode:
The quantity of (1) first signal wire 251 is equal with the quantity of secondary signal line 252;
The quantity of (2) first signal wires 251 is greater than the quantity of secondary signal line 252;
The quantity of (3) first signal wires 251 is less than the quantity of secondary signal line 252.
Such as, if total line number of the signal wire in cabling district 21 is 20 row, then the first signal wire 251 comprises the 1st row signal line, the 2nd row signal line the 10th row signal line; Secondary signal line 252 comprises the 11st row signal line, the 12nd row signal line the 20th row signal line.
If total line number of the signal wire in cabling district 21 is 19 row, then the first signal wire 251 comprises the 1st row signal line, the 2nd row signal line the 10th row signal line; Secondary signal line 252 comprises the 11st row signal line, the 12nd row signal line the 19th row signal line; Or the first signal wire 251 comprises the 1st row signal line, the 2nd row signal line the 9th row signal line; Secondary signal line 252 comprises the 11st row signal line, the 12nd row signal line the 20th row signal line.
In the embodiment of the present invention; the signal wire quantity of the first signal wire 251 be electrically connected for the first touch control electrode 231 and the signal wire quantity of the secondary signal line 252 of the second touch control electrode 232 electrical connection can do any adjustment according to the demand of product; do not do further restriction at this, all distortion relating to signal wire quantity all belong to the scope protected in inventive embodiments.
Preferably, according to the first signal wire 251 and the quantitative relation of secondary signal line 252, can determine:
If the quantity of a signal wire 251 is equal with the quantity of secondary signal line 252, then the first signal wire 251 and the projection of secondary signal line 252 in first substrate 10 vertical direction that are arranged on contact panel same side are completely overlapping; Wherein, complete overlap refers to that the first signal wire 251 and secondary signal line 252 are on the basis that quantity is equal, in first substrate 10 vertical direction the first signal wire 251 and secondary signal line 252 exist simultaneously projection place, projection meeting is completely overlapping, but the place that only there is the first signal wire 251 or secondary signal line 252 projection in first substrate 10 vertical direction can not exist overlap.
If the quantity of the first signal wire 251 is greater than the quantity of secondary signal line 252, region area projection occupied by of the first signal wire 251 in first substrate 10 vertical direction being then arranged on contact panel same side is greater than secondary signal to the region area occupied by 252 projections in first substrate 10 vertical direction, then the first signal wire 251 is overlapping with the projection section of secondary signal line 252 in first substrate 10 vertical direction.
If the quantity of the first signal wire 251 is less than the quantity of secondary signal line 252, region area projection occupied by of the first signal wire 251 in first substrate 10 vertical direction being then arranged on contact panel same side is less than secondary signal to the region area occupied by 252 projections in first substrate 10 vertical direction, then the first signal wire 251 is overlapping with the projection section of secondary signal line 252 in first substrate 10 vertical direction.
As the cabling schematic diagram of the first signal wire 251 in side, first substrate 10 upper periphery cabling district 21 that Fig. 2 e provides for the embodiment of the present invention; As the cabling schematic diagram of secondary signal line 252 in side, second substrate 20 upper periphery cabling district 21 that Fig. 2 f provides for the embodiment of the present invention;
Fig. 2 e comprises the cabling of the first signal wire 251 in side, first substrate 10 periphery cabling district, because the first end of the first signal wire 251 is electrically connected with the first touch control electrode 232, and the region that the first signal wire 251 is electrically connected with the first touch control electrode 231 can be determined as Fig. 2 a and Fig. 2 b, the second end of the first signal wire 251 is electrically connected with driving circuit 24; Fig. 2 f comprises the cabling of secondary signal line 252 in side, second substrate 20 upper periphery cabling district, the first end of secondary signal line 252 is connected with the second touch control electrode 232 by the first conducting medium 31, and the second end of secondary signal line 252 is electrically connected with driving circuit 24 by the second conducting medium 32.
Preferably, as shown in Figure 2 g, for the perspective view in the vertical direction on the first substrate of first substrate 10 upper periphery cabling district 21 side first signal wire 251 and secondary signal line 252 that the embodiment of the present invention provides, wherein, in Fig. 2 g, the projection in vertical direction in periphery cabling district of the first signal wire 251 and secondary signal line 252 is completely overlapping.In embodiments of the present invention, because the quantity of the first signal wire 251 and secondary signal line 252 is completely equal, so the projection in vertical direction in periphery cabling district 21 of the first signal wire 251 and secondary signal line 252 is completely overlapping, in the embodiment of the present invention, whether completely overlapping to the projection in vertical direction in periphery cabling district of the first signal wire 251 and secondary signal line 252, do not do further restriction.
Be arranged on by the first signal wire 251 that contact panel cabling district 21 signal wire is comprised on the first conductive layer 27 on first substrate 10, secondary signal line 252 is arranged on the second conductive layer 26 on second substrate 20, first signal wire 251 and secondary signal line 252 are electrically connected with touch control electrode respectively, make a part of signal wire on contact panel and another part signal wire storied placement, to obtain the narrow frame design that contact panel frame portion is carried out in larger space.
Preferably, the first substrate 10 of the contact panel in Fig. 2 c is touch base plate, and second substrate 20 is covered substrate, and wherein, covered substrate is for covering touch base plate.
Preferably, the first conductive layer 27 of the contact panel in Fig. 2 d and the second conductive layer 26 are metal level, the material of metal level comprise in molybdenum Mo, aluminium Al, neodymium Nd, silver-colored Ag and copper Cu one or more.
Preferably, for the embodiment of the present invention, also comprise the 3rd substrate 40, as shown in fig. 2h, the 3rd substrate 40 is oppositely arranged with first substrate 10, and the 3rd substrate 40 is tft array substrate;
When the touch control electrode 23 (the first touch control electrode and the second touch control electrode) be positioned on first substrate 10 is for drive electrode, namely, touch-control drive singal is transmitted to drive electrode (the first touch control electrode and the second touch control electrode) by driving circuit (not providing in figure), in such cases, also comprise the detecting electrode 41 intersected with drive electrode, detecting electrode 41 is between first substrate 10 and the 3rd substrate 40; Or, when the touch control electrode 23 be positioned on first substrate 10 is for detecting electrode (the first touch control electrode and the second touch control electrode), namely, the drive singal that detecting electrode recognizes is detected by driving circuit (not providing in figure), in such cases, also comprise the drive electrode that to intersect with detecting electrode 41, drive electrode is between first substrate and the 3rd substrate.
It should be noted that, detecting electrode 41 (or drive electrode) in Fig. 2 h between first substrate 10 and the 3rd substrate 40 is not limited to the 3rd substrate 40 towards on the side of first substrate 10, can also be positioned at first substrate 10 towards on the side of the 3rd substrate 40, particular location does not limit.
Preferably, the touch control electrode of above-mentioned contact panel is transparency conductive electrode, the material of transparency conductive electrode comprise in tin indium oxide ITO, indium zinc oxide IZO, tin oxide SnO, indium oxide InO and zinc paste ZnO one or more.
In above-described embodiment, arrange on the first conductive layer on the first substrate by the first signal wire that contact panel cabling district signal wire is comprised, secondary signal line is arranged on the second conductive layer on second substrate, and the first signal wire 251 and secondary signal line 252 are electrically connected with touch control electrode respectively, the first signal wire on contact panel and secondary signal line are arranged at different substrate higher slice, to obtain the narrow frame design that contact panel frame portion is carried out in larger space, and the first signal wire being arranged on contact panel same side and secondary signal line in first substrate vertical direction to be projected to small part overlapping, substantially reduce the signal wire overall width in contact panel periphery cabling district, thus overcome the limitation that in prior art, signal wire overall width has, achieve good narrow border effect.
Based on the inventive concept of above-described embodiment 1, according to the different layouts of the first signal wire 251 and secondary signal line 252, the embodiment of the present invention also at least comprises following several embodiment.
Be the another kind of contact panel that the embodiment of the present invention provides as best shown in figures 3 a and 3b, composition graphs 2d simultaneously.Wherein, contact panel comprises first substrate 10, be arranged on the first conductive layer 27 on first substrate 10 and touch control electrode 23, wherein, first conductive layer 27 and touch control electrode 23 are arranged between first substrate 10 and second substrate 20, and the first conductive layer 27 and touch control electrode 23 are positioned at the side of first substrate 10 towards second substrate 20; Second conductive layer 26 is arranged on second substrate 20, and the second conductive layer 26 is positioned at the side of second substrate 20 towards first substrate 10.
Preferably, as best shown in figures 3 a and 3b, contact panel comprises viewing area 22 and the periphery cabling district 21 around this viewing area 22, touch control electrode is positioned at viewing area 22, and this cabling district 21 comprises the signal wire that many have transmission touching signals, in embodiments of the present invention, described signal wire is divided into the first signal wire 251 and secondary signal line 252 by the position residing for signal wire.
Preferably, as shown in Fig. 3 a, 3b and Fig. 2 d, first signal wire 251 and the first conductive layer 27 are arranged with layer, and the first end of the first signal wire 251 is electrically connected with the first touch control electrode 231 by the via hole in insulation course 12, and the second end of the first signal wire 251 is electrically connected with driving circuit 24.Wherein, the first touch control electrode 231 shown in Fig. 3 a and 3b and the second touch control electrode 232 only represent a part for the touch control electrode in practical application, do not represent that the first touch control electrode 231 and the second touch control electrode 232 only have 4 respectively, in the embodiment of the present invention, further restriction is not done to the data of the first touch control electrode 231 and the second touch control electrode 232, same, position for the first touch control electrode 231 shown in Fig. 2 a and 2b and the second touch control electrode 232 is also not limited to the situation shown in figure, arbitrary design can be done according to the needs of product, further restriction is not done at this.
Preferably, as shown in Fig. 3 a, 3b and Fig. 2 d, secondary signal line 252 and the second conductive layer 26 are arranged with layer, and the first end of secondary signal line 252 is electrically connected with the second touch control electrode 232 by the first conducting medium 31; Wherein, first conducting medium 31 is positioned at the cabling district 21 of contact panel, in embodiments of the present invention, first conducting medium 31 can realize conducting by between the first end of secondary signal line 252 and the second touch control electrode 232, the material of the first conducting medium 31 is generally conducting resinl or is mixed with the optics UV glue of conductive gold spacer, in embodiments of the present invention, further restriction is not done to the material of the first conducting medium 31.
Preferably, as shown in Fig. 3 a, 3b and Fig. 2 d, the second end of secondary signal line 252 is electrically connected with driving circuit 24 by the second conducting medium, and wherein, the second conducting medium 32 is positioned at driving circuit 24 region.In embodiments of the present invention, second conducting medium 32 can realize conducting by between the second end of secondary signal line 252 and driving circuit 24, the material of the second conducting medium 32 is generally conducting resinl or is mixed with the optics UV glue of conductive gold spacer, in embodiments of the present invention, further restriction is not done to the material of the second conducting medium 32.
In embodiments of the present invention, as shown in Fig. 3 a, 3b and Fig. 2 d, first signal wire 251 and the first conductive layer 27 are arranged with layer, and the first end of the first signal wire 251 is electrically connected with the first touch control electrode 231 by the via hole in insulation course 12, and the second end of the first signal wire 251 is electrically connected with driving circuit 24.Secondary signal line 252 and the second conductive layer 26 are arranged with layer, and the first end of secondary signal line 252 is electrically connected with the second touch control electrode 232 by the first conducting medium 31; Second end of secondary signal line 252 is electrically connected with driving circuit 24 by the second conducting medium 32.
As shown in Fig. 3 a, 3b, because cabling district 21 includes many signal line, in embodiments of the present invention, if be arranged in the first signal wire 251 and the secondary signal line 252 of contact panel same side, the quantity of the first signal wire 251 equals the quantity of secondary signal line 252, then can comprise the following two kinds mode:
1) the first signal wire 251 of contact panel both sides is all equal with the quantity of secondary signal line 252;
2) the first signal wire 251 that contact panel is one-sided is equal with the quantity of secondary signal line 252.
As best shown in figures 3 a and 3b, for the another kind of contact panel that the embodiment of the present invention provides, in the figure, the quantity of the first signal wire 251 that contact panel is one-sided and secondary signal line 252 is equal respectively, wherein, on the right side of contact panel, the quantity of the first signal wire 251 is equal with the quantity of secondary signal line 252, is all three; In the left side of contact panel, the quantity of the first signal wire 251 is equal with the quantity of secondary signal line 252, is all two.
As shown in Figs. 4a and 4b, for the another kind of contact panel that the embodiment of the present invention provides, in the figure, first signal wire 251 of contact panel both sides is all equal with the quantity of secondary signal line 252, wherein, the first signal wire 251 on first substrate 10 has three signal line on the right side of contact panel, and the first signal wire 251 has three signal line in the left side of contact panel; Secondary signal line 252 on second substrate 20 has two signal line on the right side of contact panel, and secondary signal line 252 has two signal line in the left side of contact panel.In addition, when carrying out cabling layout according to the quantity of the first signal wire 251 and secondary signal line 252 to the first signal wire 251 and secondary signal line 252, the embodiment of the present invention also provides two kinds of possibilities.
Optionally, in this enforcement, be arranged on the first signal wire 251 of contact panel same side with secondary signal line 252, the quantity of the first signal wire 251 is greater than the quantity of secondary signal line 252, as shown in Figs. 4a and 4b.
Optionally, in the present embodiment, be arranged on the first signal wire 251 of contact panel same side with secondary signal line 252, the quantity of the first signal wire 251 is less than the quantity of secondary signal line 252.
When first signal wire 251 of contact panel same side is equal with secondary signal line 252 quantity, first signal wire 251 that can realize on the first conductive layer 27 is completely overlapping with the projection section of the secondary signal line 252 on the second conductive layer 26 in first substrate 10 vertical direction, when signal wire live width and distance between centers of tracks constant make signal wire overall width be reduced to original half, the frame size of contact panel can be reduced to greatest extent.
Preferably, in embodiments of the present invention, also according to the first signal wire 251 and secondary signal line 252 in the position in cabling district 21, cabling layout can be carried out to the first signal wire 251 and secondary signal line 252.
As shown in Fig. 3 a, 3b, 4a and 4b, the region that the first signal wire 251 is electrically connected with the first touch control electrode 231 is the first area 51 of contact panel, and the region that secondary signal line 252 is electrically connected with the second touch control electrode 232 is the second area 52 of contact panel.Wherein, distance on the first area 51 of contact panel and contact panel between driving circuit 24 region is less than the distance on the second area 52 of contact panel and contact panel between driving circuit 24 region, it should be noted that, first touch control electrode 231 and the second touch control electrode 232 not necessarily will as Fig. 3 a, 3b, arrangement mode shown in 4a and 4b, free setting can be carried out according to actual needs, Fig. 3 a, 3b, arrangement mode shown in 4a and 4b just as an example, the distortion of other any situation all belongs to the scope of the embodiment of the present invention, repeat no more.
Such as, when the distance on the first area 51 and contact panel of contact panel between driving circuit 24 region is greater than the distance on the second area 52 of contact panel and contact panel between driving circuit 24 region, be arranged on the first signal wire 251 of contact panel same side with secondary signal line 252, first signal wire 251 is positioned at the first area 51 of contact panel, and secondary signal line 252 is positioned at the second area 52 of contact panel; Or it is optional, when the distance on the first area 51 and contact panel of contact panel between driving circuit 24 region is less than the distance on the second area 52 of contact panel and contact panel between driving circuit 24 region, be arranged on the first signal wire 251 of contact panel same side with secondary signal line 252, first signal wire 251 is positioned at the second area 52 of contact panel, and secondary signal line 252 is positioned at the first area 51 of contact panel.
In embodiments of the present invention, the mode that also " quantity according to the first signal wire 251 and secondary signal line 252 " can be combined with " according to the secondary signal line 252 of the first signal wire 251 position in cabling district 21 ", cabling layout is carried out to the first signal wire 251 and secondary signal line 252, such as, cabling layout structure as best shown in figures 3 a and 3b, first signal wire 251 of first substrate 10 and second substrate 20 the same side is equal with secondary signal line 252, and this side first signal wire 251 is all positioned at the second area 52 of contact panel, secondary signal line 252 is positioned at the first area 51 of contact panel.Can ensure that the projection section of the signal wire of first substrate and second substrate the same side in first substrate vertical direction is completely overlapping like this, when signal wire live width and distance between centers of tracks constant make signal wire overall width be reduced to original half, the frame size of contact panel can be reduced to greatest extent, and the first signal wire is all arranged on contact panel the first half region, secondary signal line is all arranged on the lower part region of contact panel, is conducive to simplifying the patterning process made in contact panel technique.
Be a kind of contact panel that the embodiment of the present invention provides as shown in figure 5a and 5b, composition graphs 2d simultaneously.Wherein, contact panel comprises first substrate 10, be arranged on the first conductive layer 27 on first substrate 10 and touch control electrode 23, wherein, first conductive layer 27 and touch control electrode 23 are arranged between first substrate 10 and second substrate 20, and the first conductive layer 27 and touch control electrode 23 are positioned at the side of first substrate 10 towards second substrate 20; Second conductive layer 26 is arranged on second substrate 20, and the second conductive layer is positioned at the side of second substrate 20 towards first substrate 10.
Preferably, as shown in figure 5a and 5b, contact panel comprises viewing area 22 and the periphery cabling district 21 around this viewing area 22, touch control electrode is positioned at viewing area 22, and this cabling district 21 comprises the signal wire that many have transmission touching signals, in embodiments of the present invention, described signal wire is divided into the first signal wire 251 and secondary signal line 252 by the position residing for signal wire.
Preferably, as shown in Fig. 5 a, 5b and Fig. 2 d, first signal wire 251 and the first conductive layer 27 are arranged with layer, and the first end of the first signal wire 251 is electrically connected with the first touch control electrode 231 by the via hole in insulation course 12, and the second end of the first signal wire 251 is electrically connected with driving circuit 24.Wherein, the first touch control electrode 231 shown in Fig. 5 a and 5b and the second touch control electrode 232 only represent a part for the touch control electrode in practical application, do not represent that the first touch control electrode 231 and the second touch control electrode 232 only have 4 respectively, in the embodiment of the present invention, further restriction is not done to the data of the first touch control electrode 231 and the second touch control electrode 232.
Preferably, as shown in Fig. 5 a, 5b and Fig. 2 d, secondary signal line 252 and the second conductive layer 26 are arranged with layer, and the first end of secondary signal line 252 is electrically connected with the second touch control electrode 232 by the first conducting medium 31; Wherein, first conducting medium 31 is positioned at the cabling district 21 of contact panel, in embodiments of the present invention, first conducting medium 31 can realize conducting by between the first end of secondary signal line 252 and the second touch control electrode 232, the material of the first conducting medium 31 is generally conducting resinl or is mixed with the optics UV glue of conductive gold spacer, in embodiments of the present invention, further restriction is not done to the material of the first conducting medium 31.
Preferably, as shown in Fig. 5 a, 5b and 2d, the second end of secondary signal line 252 is electrically connected with driving circuit 24 by the second conducting medium 32, and wherein, the second conducting medium 32 is positioned at driving circuit 24 region.In embodiments of the present invention, second conducting medium 32 can realize conducting by between the second end of secondary signal line 252 and driving circuit 24, the material of the second conducting medium 32 is generally conducting resinl or is mixed with the optics UV glue of conductive gold spacer, in embodiments of the present invention, further restriction is not done to the material of the second conducting medium 32.
As shown in Fig. 5 a, 5b, because cabling district 21 includes many signal line, in embodiments of the present invention, first signal wire 251 is electrically connected with the first touch control electrode 231, secondary signal line 252 is electrically connected with the second touch control electrode 232, and the first touch control electrode 231 and the second position of touch control electrode 232 on first substrate 10 are crisscross arranged successively.
In embodiments of the present invention, as shown in Fig. 5 a, 5b, 6a and 6b, the first signal wire 251 can be the odd line signal line in the signal wire in cabling district 21, also can be the even line signal line in the signal wire in periphery cabling district 21; Correspondingly, if the first signal wire 251 is the odd line signal lines in periphery cabling district 21 in signal wire, then secondary signal line 252 is the even line signal lines in periphery cabling district 21 in signal wire.
As shown in figure 5a and 5b, if the first signal wire 251 is the odd line signal lines in periphery cabling district 21 in signal wire, then secondary signal line 252 is the even line signal lines in periphery cabling district 21 in signal wire.Wherein, the cabling of the first signal wire 251 in the first conductive layer 27 upper periphery cabling district 21 is see Fig. 5 a, and the cabling of secondary signal line 252 in the second conductive layer 26 upper periphery cabling district 21 is see Fig. 5 b.
The cabling distribution in periphery cabling district 21 of first signal wire 251 and secondary signal line 252 is specially:
As shown in Fig. 5 a and 5b and Fig. 2 d, first signal wire 251 and the first conductive layer 27 are arranged with layer, and the first end of the first signal wire 251 is electrically connected with the first touch control electrode 231 by the via hole in insulation course 12, and the second end of the first signal wire 251 is electrically connected with driving circuit 24.Secondary signal line 252 and the second conductive layer 26 are arranged with layer, and the first end of secondary signal line 252 is connected with the second touch control electrode 232 by the first conducting medium 31; Second end of secondary signal line 252 is electrically connected with driving circuit 24 by the second conducting medium 32.And the first signal wire 251 and secondary signal line 252 in periphery cabling district 21 in vertical direction be projected to small part overlap.
As shown in figure 6 a and 6b, if the first signal wire 251 is the even line signal lines in periphery cabling district 21 in signal wire, then secondary signal line 252 is the odd line signal lines in periphery cabling district 21 in signal wire.Wherein, the cabling of the first signal wire 251 in the first conductive layer 27 upper periphery cabling district 21 is see Fig. 6 a, and the cabling of secondary signal line 252 in the second conductive layer 26 upper periphery cabling district 21 is see Fig. 6 b.
Preferably, the cabling distribution in periphery cabling district 21 of the first signal wire 251 and secondary signal line 252 is specially:
As shown in Fig. 6 a, 6b and Fig. 2 d, first signal wire 251 and the first conductive layer 27 are arranged with layer, the first end of the first signal wire 251 is electrically connected with the first touch control electrode 231 by the via hole in insulation course 12, and the second end of the first signal wire 251 is electrically connected with driving circuit 24.Secondary signal line 252 and the second conductive layer 26 are arranged with layer, and the first end of secondary signal line 252 is connected with the second touch control electrode 232 by the first conducting medium 31; Second end of secondary signal line 252 is electrically connected with driving circuit 24 by the second conducting medium 32.And the first signal wire 251 and secondary signal line 252 in periphery cabling district 21 in vertical direction be projected to small part overlap.
The embodiment of the present invention does not do further restriction to odd line signal line or even line signal line in the signal wire in the first signal wire and the corresponding periphery cabling district of secondary signal line.
Preferably, in embodiments of the present invention, odd line signal line or even line signal line in signal wire no matter in the first signal wire and the corresponding periphery cabling district of secondary signal line, the first signal wire and secondary signal line in periphery cabling district in vertical direction be projected to that I haven't seen you for ages partly overlaps.
In above-described embodiment, the first touch control electrode and the second touch control electrode position are on the first substrate crisscross arranged successively, and the distribution of touching signals on contact panel that the touching signals of the first signal wire transmission and secondary signal line are transmitted is more even.
The embodiment of the present invention also provides a kind of method for making of contact panel, and as shown in Figure 7, the method comprises:
Step S1, provides first substrate, and the surface of first substrate is formed the first conductive layer and touch control electrode, and touch control electrode comprises the first touch control electrode and the second touch control electrode;
Step S2, provides second substrate, and the surface of second substrate is formed the second conductive layer;
Step S3, contact panel comprises viewing area and the cabling district around viewing area, and touch control electrode is positioned at viewing area, and patterning first conductive layer, forms the first signal wire in cabling district, and the first signal wire is electrically connected with the first touch control electrode;
Step S4, patterning second conductive layer, forms secondary signal line in cabling district;
Step S5, by first substrate with second substrate relative to becoming box, secondary signal line is electrically connected with the second touch control electrode; And the first signal wire being arranged on contact panel same side and secondary signal line in first substrate vertical direction to be projected to small part overlapping.
In above-mentioned steps, between step S1 and step S2 and, there is no strict timing requirements between step S3 and step S4.
Wherein, in step S5, by first substrate with second substrate relative to becoming box, the step that secondary signal line is electrically connected with the second touch control electrode, comprising:
Arrange the first conducting medium in the cabling district of contact panel, the first end of secondary signal line is electrically connected by the first conducting medium with the second touch control electrode.
By first substrate and second substrate relative to when becoming box, also comprise: the second conducting medium is set in the region of driving circuit, the second end of secondary signal line is electrically connected with driving circuit by the second conducting medium.By the first conducting medium, the first end of secondary signal line is electrically connected with the second touch control electrode, be electrically connected with driving circuit by second end of the second conducting medium by secondary signal line, the touching signals on contact panel is made to transfer to driving circuit by the secondary signal line be arranged on second substrate, the signal wire achieved on contact panel is arranged at different substrate higher slice, contributes to obtaining the narrow frame design that contact panel frame portion is carried out in larger space.
In said method flow process, first substrate is touch base plate, and second substrate is covered substrate, and covered substrate is for covering touch base plate.First conductive layer and the second conductive layer are metal level, the material of metal level comprise in molybdenum Mo, aluminium Al, neodymium Nd, silver-colored Ag and copper Cu one or more.First conducting medium and the second conducting medium are conducting resinl or the optics UV glue being mixed with conductive gold spacer.Touch control electrode is transparency conductive electrode, the material of transparency conductive electrode comprise in tin indium oxide ITO, indium zinc oxide IZO, tin oxide SnO, indium oxide InO and zinc paste ZnO one or more.
The first signal wire by being comprised by contact panel cabling district signal wire in said method flow process arranges on the first conductive layer on the first substrate, secondary signal line is arranged on the second conductive layer on second substrate, the first signal wire on contact panel and secondary signal line are arranged at different substrate higher slice, to obtain the narrow frame design that contact panel frame portion is carried out in larger space, and the first signal wire being arranged on contact panel same side and secondary signal line in first substrate vertical direction to be projected to small part overlapping, substantially reduce the signal wire overall width in contact panel periphery cabling district, thus overcome the limitation that in prior art, signal wire overall width has, achieve good narrow border effect.
The embodiment of the present invention also provides a kind of touch control display apparatus, comprises above-mentioned contact panel.
Because above-mentioned contact panel is by being electrically connected the first signal wire that contact panel cabling district signal wire comprises with the first conductive layer on first substrate, secondary signal line is electrically connected with the second conductive layer on second substrate, the signal wire on contact panel is made to be positioned on different substrates, and the first signal wire being arranged on contact panel same side and secondary signal line in first substrate vertical direction to be projected to small part overlapping, substantially reduce the signal wire overall width in contact panel periphery cabling district, thus overcome the limitation that in prior art, signal wire overall width has, achieve good narrow border effect, therefore the touch control display apparatus comprising this contact panel also has good narrow border effect.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (15)
1. a contact panel, is characterized in that, comprising:
First substrate, the first conductive layer, touch control electrode, second substrate and the second conductive layer, wherein, described first conductive layer and described touch control electrode are arranged on the side of described first substrate towards described second substrate, described second conductive layer is arranged on the side of described second substrate towards described first substrate, and described touch control electrode comprises the first touch control electrode and the second touch control electrode;
Described contact panel comprises viewing area and the cabling district around described viewing area, described touch control electrode is positioned at described viewing area, described cabling district has the signal wire of transmission touching signals, described signal wire comprises at least one the first signal wire and at least one secondary signal lines, described first signal wire is electrically connected with described first conductive layer, and described first signal wire is electrically connected with described first touch control electrode, described secondary signal line is electrically connected with described second conductive layer, and described secondary signal line is electrically connected with described second touch control electrode, described first signal wire being arranged on described contact panel same side and described secondary signal line in described first substrate vertical direction to be projected to small part overlapping.
2. contact panel as claimed in claim 1, it is characterized in that, described first signal wire and described first conductive layer are arranged with layer, and described secondary signal line and described second conductive layer are arranged with layer.
3. contact panel as claimed in claim 1, it is characterized in that, described first substrate is touch base plate, and described second substrate is covered substrate, and described covered substrate is for covering described touch base plate.
4. contact panel as claimed in claim 1, it is characterized in that, be arranged in described first signal wire of described contact panel same side and described secondary signal line, the quantity of described first signal wire equals the quantity of described secondary signal line.
5. contact panel as claimed in claim 1, it is characterized in that, described first signal wire is electrically connected with described first touch control electrode, described secondary signal line is electrically connected with described second touch control electrode, and described first touch control electrode and the described position of the second touch control electrode on described first substrate are crisscross arranged successively.
6. contact panel as claimed in claim 1, it is characterized in that, described touch control electrode is drive electrode, also comprises the detecting electrode intersected with described drive electrode, and described detecting electrode and described drive electrode insulate with layer and to arrange or stacked insulation is arranged; Or
Described touch control electrode is detecting electrode, also comprises the drive electrode intersected with described detecting electrode, and described drive electrode and described detecting electrode insulate with layer and to arrange or stacked insulation is arranged.
7. contact panel as claimed in claim 1, it is characterized in that, also comprise the 3rd substrate, the side away from described second substrate of described 3rd substrate and described first substrate is oppositely arranged;
Described touch control electrode is drive electrode, also comprises the detecting electrode intersected with described drive electrode, and described detecting electrode is between described first substrate and described 3rd substrate; Or
Described touch control electrode is detecting electrode, also comprises the drive electrode intersected with described detecting electrode, and described drive electrode is between described first substrate and described 3rd substrate.
8. contact panel as claimed in claim 7, it is characterized in that, described 3rd substrate is tft array substrate.
9. contact panel as claimed in claim 1, it is characterized in that, the first end of described first signal wire is electrically connected with described first touch control electrode by via hole, the first end of described secondary signal line is connected with described second touch control electrode by the first conducting medium, and described first conducting medium is positioned at the cabling district of described contact panel;
Second end of described first signal wire is electrically connected with driving circuit, and the second end of described secondary signal line is electrically connected with described driving circuit by the second conducting medium, and described second conducting medium is positioned at the region of described driving circuit.
10. contact panel as claimed in claim 9, it is characterized in that, described first conducting medium and described second conducting medium are conducting resinl or the optics UV glue being mixed with conductive gold spacer.
11. contact panels as claimed in claim 1, it is characterized in that, described touch control electrode is transparency conductive electrode, the material of described transparency conductive electrode comprise in tin indium oxide indium zinc oxide, tin oxide, indium oxide and zinc paste one or more.
12. contact panels as claimed in claim 1, is characterized in that, described first conductive layer and described second conductive layer are metal level, the material of described metal level comprise in molybdenum, aluminium, neodymium, silver and copper one or more.
13. 1 kinds of touch control display apparatus, is characterized in that, comprise the contact panel as described in any one of claim 1-13.
The method for making of 14. 1 kinds of contact panels, is characterized in that, comprising:
There is provided first substrate, the surface of described first substrate is formed the first conductive layer and touch control electrode, described touch control electrode comprises the first touch control electrode and the second touch control electrode;
Second substrate is provided, the surface of described second substrate is formed the second conductive layer;
Described contact panel comprises viewing area and the cabling district around described viewing area, described touch control electrode is positioned at described cabling district, first conductive layer described in patterning, forms the first signal wire in described cabling district, and described first signal wire is electrically connected with described first touch control electrode;
Second conductive layer described in patterning, forms secondary signal line in described cabling district;
By described first substrate with described second substrate relative to becoming box, described secondary signal line is electrically connected with described second touch control electrode; And described first signal wire being arranged on described contact panel same side and described secondary signal line in described first substrate vertical direction to be projected to small part overlapping.
15. method for makings as claimed in claim 14, is characterized in that, by described first substrate with described second substrate relative to becoming box, the step that described secondary signal line is electrically connected with described second touch control electrode comprises:
Arrange the first conducting medium in the cabling district of described contact panel, described secondary signal line is electrically connected by described first conducting medium with described second touch control electrode, and described first conducting medium is conducting resinl or the optics UV glue being mixed with conductive gold spacer.
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| CN111158519A (en) * | 2019-12-24 | 2020-05-15 | 维沃移动通信有限公司 | Touch control assembly, display module, electronic equipment and preparation method of touch control assembly |
| CN112864184A (en) * | 2021-03-22 | 2021-05-28 | 合肥鑫晟光电科技有限公司 | Light-emitting substrate, display device and manufacturing method |
| US11747948B2 (en) | 2021-03-22 | 2023-09-05 | Hefei Xinsheng Optoelectronics Technology Co., Ltd. | Light emitting substrate, display device and fabricating method |
| CN113782580A (en) * | 2021-09-23 | 2021-12-10 | 合肥维信诺科技有限公司 | Display panel and display device |
| CN113782580B (en) * | 2021-09-23 | 2023-12-01 | 合肥维信诺科技有限公司 | Display panel and display device |
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